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<!DOCTYPE html>
<title>Canvas test: CanvasTextDrawingStyles.font with canvas relative units</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-font">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<canvas id="canvas" style="font-size: 30px; line-height: 40px"></canvas>
<script>
const canvas = document.getElementById("canvas");
const ctx = canvas.getContext("2d");
test(() => {
ctx.font = "2em serif";
assert_equals(ctx.font, "60px serif");
}, "Font-size based on canvas element font-size");
test(() => {
// Line-height should be forced to normal, but also irrelevant for resolving
// lh-units for font-size.
ctx.font = "2lh/100 serif";
assert_equals(ctx.font, "80px serif");
}, "Font-size based on canvas element line-height");
</script>
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